194011893 has 12 divisors (see below), whose sum is σ = 280575360. Its totient is φ = 129186216.

The previous prime is 194011861. The next prime is 194011927. The reversal of 194011893 is 398110491.

194011893 is nontrivially palindromic in base 6.

194011893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 194011893 - 2⁵ = 194011861 is a prime.

It is a super-2 number, since 2×194011893² = 75281229250886898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194011813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4723 + ... + 20256.

It is an arithmetic number, because the mean of its divisors is an integer number (23381280).

Almost surely, 2^194011893 is an apocalyptic number.

It is an amenable number.

194011893 is a deficient number, since it is larger than the sum of its proper divisors (86563467).

194011893 is a wasteful number, since it uses less digits than its factorization.

194011893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25848 (or 25845 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 194011893 is about 13928.8152044601. The cubic root of 194011893 is about 578.9078665359.

The spelling of 194011893 in words is "one hundred ninety-four million, eleven thousand, eight hundred ninety-three".